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Use of a two-way non-rebreathing valve to simplify the measurement of twitch mouth pressure using an inspiratory pressure trigger and the establishment of an optimal trigger threshold for healthy subjects and COPD patients.
Hua DM, Lin ZM, Ou YE, Xie YK, Yang Z, Liu Q, Zheng ZG, Chen RC, Zhong NS. Hua DM, et al. Among authors: zheng zg. Respir Physiol Neurobiol. 2014 Sep 15;201:47-54. doi: 10.1016/j.resp.2014.06.014. Epub 2014 Jul 8. Respir Physiol Neurobiol. 2014. PMID: 25014406
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